Riding rollercoasters makes it easier to pass kidney stones

Two scientists carried a urine-filled, 3D-printed kidney onto Disney World rides in the name of science. Sixty rides later, they confirmed that getting jostled in a roller coaster makes it easier to pass kidney stones.
Kidney stones are incredibly painful mineral deposits found in urine. Passing them is notoriously painful (and has been frequently declared "more painful than childbirth"). So the results of this study, published today in the Journal of the American Osteopathic Association, sugges